31400422823 has 16 divisors (see below), whose sum is σ = 39157779456. Its totient is φ = 24462111840.

The previous prime is 31400422799. The next prime is 31400422847. The reversal of 31400422823 is 32822400413.

It is an interprime number because it is at equal distance from previous prime (31400422799) and next prime (31400422847).

It is a cyclic number.

It is not a de Polignac number, because 31400422823 - 2²² = 31396228519 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 (31400472823) 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, 297965 + ... + 389337.

It is an arithmetic number, because the mean of its divisors is an integer number (2447361216).

Almost surely, 2^31400422823 is an apocalyptic number.

31400422823 is a deficient number, since it is larger than the sum of its proper divisors (7757356633).

31400422823 is a wasteful number, since it uses less digits than its factorization.

31400422823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95854.

The product of its (nonzero) digits is 9216, while the sum is 29.

The spelling of 31400422823 in words is "thirty-one billion, four hundred million, four hundred twenty-two thousand, eight hundred twenty-three".