Search a number
-
+
1203210312031 = 71313222091341
BaseRepresentation
bin10001100000100100111…
…011000101100101011111
311021000200210110212012001
4101200210323011211133
5124203133314441111
62320425220423131
7152633446622230
oct21404473054537
94230623425161
101203210312031
11424307943032
12175234847aa7
1389601727120
1442342a39087
15214719741c1
hex11824ec595f

1203210312031 has 8 divisors (see below), whose sum is σ = 1480874230304. Its totient is φ = 951990576480.

The previous prime is 1203210312019. The next prime is 1203210312061. The reversal of 1203210312031 is 1302130123021.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1203210312031 - 215 = 1203210279263 is a prime.

It is a super-2 number, since 2×12032103120312 (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1203210312061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6611045580 + ... + 6611045761.

It is an arithmetic number, because the mean of its divisors is an integer number (185109278788).

Almost surely, 21203210312031 is an apocalyptic number.

1203210312031 is a deficient number, since it is larger than the sum of its proper divisors (277663918273).

1203210312031 is a wasteful number, since it uses less digits than its factorization.

1203210312031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13222091361.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1203210312031 its reverse (1302130123021), we get a palindrome (2505340435052).

The spelling of 1203210312031 in words is "one trillion, two hundred three billion, two hundred ten million, three hundred twelve thousand, thirty-one".

Divisors: 1 7 13 91 13222091341 92554639387 171887187433 1203210312031