14157042731 has 16 divisors (see below), whose sum is σ = 15915998784. Its totient is φ = 12494300544.

The previous prime is 14157042727. The next prime is 14157042733. The reversal of 14157042731 is 13724075141.

It is a cyclic number.

It is not a de Polignac number, because 14157042731 - 2² = 14157042727 is a prime.

It is a super-2 number, since 2×14157042731² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14157042691 and 14157042700.

It is not an unprimeable number, because it can be changed into a prime (14157042733) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 755285 + ... + 773801.

It is an arithmetic number, because the mean of its divisors is an integer number (994749924).

Almost surely, 2^14157042731 is an apocalyptic number.

14157042731 is a deficient number, since it is larger than the sum of its proper divisors (1758956053).

14157042731 is a wasteful number, since it uses less digits than its factorization.

14157042731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21110.

The product of its (nonzero) digits is 23520, while the sum is 35.

The spelling of 14157042731 in words is "fourteen billion, one hundred fifty-seven million, forty-two thousand, seven hundred thirty-one".