31405014234 has 48 divisors (see below), whose sum is σ = 78136886880. Its totient is φ = 9015792480.

The previous prime is 31405014227. The next prime is 31405014241. The reversal of 31405014234 is 43241050413.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (31405014227) and next prime (31405014241).

It is a super-3 number, since 3×31405014234³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 31405014198 and 31405014207.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4170217 + ... + 4177740.

It is an arithmetic number, because the mean of its divisors is an integer number (1627851810).

Almost surely, 2^31405014234 is an apocalyptic number.

31405014234 is an abundant number, since it is smaller than the sum of its proper divisors (46731872646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31405014234 is a wasteful number, since it uses less digits than its factorization.

31405014234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347995 (or 8347992 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

Adding to 31405014234 its reverse (43241050413), we get a palindrome (74646064647).

The spelling of 31405014234 in words is "thirty-one billion, four hundred five million, fourteen thousand, two hundred thirty-four".