31421413023 has 192 divisors, whose sum is σ = 59735854080. Its totient is φ = 14428108800.

The previous prime is 31421412973. The next prime is 31421413043. The reversal of 31421413023 is 32031412413.

It is a happy number.

It is not a de Polignac number, because 31421413023 - 2¹⁰ = 31421411999 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 31421412984 and 31421413002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31421413043) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 55221883 + ... + 55222451.

It is an arithmetic number, because the mean of its divisors is an integer number (311124240).

Almost surely, 2^31421413023 is an apocalyptic number.

31421413023 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

31421413023 is a deficient number, since it is larger than the sum of its proper divisors (28314441057).

31421413023 is a wasteful number, since it uses less digits than its factorization.

31421413023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31421413023 its reverse (32031412413), we get a palindrome (63452825436).

It can be divided in two parts, 31421 and 413023, that added together give a palindrome (444444).

The spelling of 31421413023 in words is "thirty-one billion, four hundred twenty-one million, four hundred thirteen thousand, twenty-three".