31415040234 has 12 divisors (see below), whose sum is σ = 68065920546. Its totient is φ = 10471680072.

The previous prime is 31415040227. The next prime is 31415040253. The reversal of 31415040234 is 43204051413.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 25519104009 + 5895936225 = 159747^2 + 76785^2 .

It is a junction number, because it is equal to n+sod(n) for n = 31415040198 and 31415040207.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 872639989 + ... + 872640024.

Almost surely, 2^31415040234 is an apocalyptic number.

31415040234 is an abundant number, since it is smaller than the sum of its proper divisors (36650880312).

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

31415040234 is a wasteful number, since it uses less digits than its factorization.

31415040234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1745280021 (or 1745280018 counting only the distinct ones).

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

Adding to 31415040234 its reverse (43204051413), we get a palindrome (74619091647).

The spelling of 31415040234 in words is "thirty-one billion, four hundred fifteen million, forty thousand, two hundred thirty-four".