31464345311 has 16 divisors (see below), whose sum is σ = 37133518848. Its totient is φ = 26089408800.

The previous prime is 31464345293. The next prime is 31464345359. The reversal of 31464345311 is 11354346413.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-31464345311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31464345611) 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, 566081 + ... + 619173.

It is an arithmetic number, because the mean of its divisors is an integer number (2320844928).

Almost surely, 2^31464345311 is an apocalyptic number.

31464345311 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

31464345311 is a deficient number, since it is larger than the sum of its proper divisors (5669173537).

31464345311 is a wasteful number, since it uses less digits than its factorization.

31464345311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55862.

The product of its digits is 51840, while the sum is 35.

The spelling of 31464345311 in words is "thirty-one billion, four hundred sixty-four million, three hundred forty-five thousand, three hundred eleven".