Search a number
-
+
1031204131431 = 33111088216467
BaseRepresentation
bin11110000000110001000…
…11100101001001100111
310122120201101111112122120
433000120203211021213
5113343401224201211
62105421215201023
7134334125331105
oct17003043451147
93576641445576
101031204131431
11368370937771
12147a30216173
137631bc70736
1437ca6778c75
151bc55e44d06
hexf0188e5267

1031204131431 has 8 divisors (see below), whose sum is σ = 1419291707904. Its totient is φ = 665292987960.

The previous prime is 1031204131403. The next prime is 1031204131471. The reversal of 1031204131431 is 1341314021301.

It is a happy number.

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

It is not a de Polignac number, because 1031204131431 - 231 = 1029056647783 is a prime.

It is a super-2 number, since 2×10312041314312 (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 (1031204131471) 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, 5544108141 + ... + 5544108326.

It is an arithmetic number, because the mean of its divisors is an integer number (177411463488).

Almost surely, 21031204131431 is an apocalyptic number.

1031204131431 is a deficient number, since it is larger than the sum of its proper divisors (388087576473).

1031204131431 is a wasteful number, since it uses less digits than its factorization.

1031204131431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11088216501.

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 1031204131431 its reverse (1341314021301), we get a palindrome (2372518152732).

The spelling of 1031204131431 in words is "one trillion, thirty-one billion, two hundred four million, one hundred thirty-one thousand, four hundred thirty-one".

Divisors: 1 3 31 93 11088216467 33264649401 343734710477 1031204131431