31420411144 has 16 divisors (see below), whose sum is σ = 58929631020. Its totient is φ = 15705842880.

The previous prime is 31420411081. The next prime is 31420411153. The reversal of 31420411144 is 44111402413.

It can be written as a sum of positive squares in 2 ways, for example, as 20266939044 + 11153472100 = 142362^2 + 105610^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 514627 + ... + 572434.

Almost surely, 2^31420411144 is an apocalyptic number.

It is an amenable number.

31420411144 is a deficient number, since it is larger than the sum of its proper divisors (27509219876).

31420411144 is a wasteful number, since it uses less digits than its factorization.

31420411144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1090680 (or 1090676 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

Adding to 31420411144 its reverse (44111402413), we get a palindrome (75531813557).

The spelling of 31420411144 in words is "thirty-one billion, four hundred twenty million, four hundred eleven thousand, one hundred forty-four".