31424140323 has 32 divisors (see below), whose sum is σ = 48099617280. Its totient is φ = 20263491360.

The previous prime is 31424140303. The next prime is 31424140343. The reversal of 31424140323 is 32304142413.

31424140323 is a `hidden beast` number, since 3 + 14 + 241 + 403 + 2 + 3 = 666.

It is an interprime number because it is at equal distance from previous prime (31424140303) and next prime (31424140343).

It is not a de Polignac number, because 31424140323 - 2⁵ = 31424140291 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (31424140303) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11808 + ... + 250973.

It is an arithmetic number, because the mean of its divisors is an integer number (1503113040).

Almost surely, 2^31424140323 is an apocalyptic number.

31424140323 is a deficient number, since it is larger than the sum of its proper divisors (16675476957).

31424140323 is a wasteful number, since it uses less digits than its factorization.

31424140323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 262936 (or 262930 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 27.

Adding to 31424140323 its reverse (32304142413), we get a palindrome (63728282736).

The spelling of 31424140323 in words is "thirty-one billion, four hundred twenty-four million, one hundred forty thousand, three hundred twenty-three".