31303014340 has 48 divisors (see below), whose sum is σ = 70810085808. Its totient is φ = 11555241984.

The previous prime is 31303014317. The next prime is 31303014341. The reversal of 31303014340 is 4341030313.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 2042859204 + 29260155136 = 45198^2 + 171056^2 .

It is not an unprimeable number, because it can be changed into a prime (31303014341) 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, 1286124 + ... + 1310236.

It is an arithmetic number, because the mean of its divisors is an integer number (1475210121).

Almost surely, 2^31303014340 is an apocalyptic number.

It is an amenable number.

31303014340 is an abundant number, since it is smaller than the sum of its proper divisors (39507071468).

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

31303014340 is a wasteful number, since it uses less digits than its factorization.

31303014340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29128 (or 29126 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

Adding to 31303014340 its reverse (4341030313), we get a palindrome (35644044653).

The spelling of 31303014340 in words is "thirty-one billion, three hundred three million, fourteen thousand, three hundred forty".