31345113401 has 8 divisors (see below), whose sum is σ = 36696718464. Its totient is φ = 26211941280.

The previous prime is 31345113389. The next prime is 31345113413. The reversal of 31345113401 is 10431154313.

It is an interprime number because it is at equal distance from previous prime (31345113389) and next prime (31345113413).

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

It is not a de Polignac number, because 31345113401 - 2²² = 31340919097 is a prime.

It is a super-2 number, since 2×31345113401² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31345113491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54607925 + ... + 54608498.

It is an arithmetic number, because the mean of its divisors is an integer number (4587089808).

Almost surely, 2^31345113401 is an apocalyptic number.

It is an amenable number.

31345113401 is a deficient number, since it is larger than the sum of its proper divisors (5351605063).

31345113401 is a wasteful number, since it uses less digits than its factorization.

31345113401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109216471.

The product of its (nonzero) digits is 2160, while the sum is 26.

Adding to 31345113401 its reverse (10431154313), we get a palindrome (41776267714).

The spelling of 31345113401 in words is "thirty-one billion, three hundred forty-five million, one hundred thirteen thousand, four hundred one".