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3131244456141 = 31043748152047
BaseRepresentation
bin101101100100001100101…
…101101010100011001101
3102002100021210212102222010
4231210030231222203031
5402300242040044031
610354250203411433
7442140104504334
oct55441455524315
912070253772863
103131244456141
11aa7a5395615a
12426a33523b79
13199376492ac9
14ab7a5784d1b
15566b6975246
hex2d90cb6a8cd

3131244456141 has 4 divisors (see below), whose sum is σ = 4174992608192. Its totient is φ = 2087496304092.

The previous prime is 3131244456113. The next prime is 3131244456149. The reversal of 3131244456141 is 1416544421313.

3131244456141 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a de Polignac number, because none of the positive numbers 2k-3131244456141 is a prime.

It is a super-2 number, since 2×31312444561412 (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3131244456141.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3131244456149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 521874076021 + ... + 521874076026.

It is an arithmetic number, because the mean of its divisors is an integer number (1043748152048).

Almost surely, 23131244456141 is an apocalyptic number.

It is an amenable number.

3131244456141 is a deficient number, since it is larger than the sum of its proper divisors (1043748152051).

3131244456141 is a wasteful number, since it uses less digits than its factorization.

3131244456141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1043748152050.

The product of its digits is 138240, while the sum is 39.

Adding to 3131244456141 its reverse (1416544421313), we get a palindrome (4547788877454).

The spelling of 3131244456141 in words is "three trillion, one hundred thirty-one billion, two hundred forty-four million, four hundred fifty-six thousand, one hundred forty-one".

Divisors: 1 3 1043748152047 3131244456141