10155431431 has 8 divisors (see below), whose sum is σ = 10627519104. Its totient is φ = 9685889400.

The previous prime is 10155431399. The next prime is 10155431441. The reversal of 10155431431 is 13413455101.

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 10155431431 - 2⁵ = 10155431399 is a prime.

It is a super-2 number, since 2×10155431431² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10155431431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10155431441) 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, 628245 + ... + 644206.

It is an arithmetic number, because the mean of its divisors is an integer number (1328439888).

Almost surely, 2^10155431431 is an apocalyptic number.

10155431431 is a deficient number, since it is larger than the sum of its proper divisors (472087673).

10155431431 is a wasteful number, since it uses less digits than its factorization.

10155431431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1272821.

The product of its (nonzero) digits is 3600, while the sum is 28.

Adding to 10155431431 its reverse (13413455101), we get a palindrome (23568886532).

The spelling of 10155431431 in words is "ten billion, one hundred fifty-five million, four hundred thirty-one thousand, four hundred thirty-one".