31402011346 has 32 divisors (see below), whose sum is σ = 50470225200. Its totient is φ = 14601732096.

The previous prime is 31402011299. The next prime is 31402011367. The reversal of 31402011346 is 64311020413.

It can be written as a sum of positive squares in 8 ways, for example, as 1865808025 + 29536203321 = 43195^2 + 171861^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 31402011346.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 961680 + ... + 993796.

Almost surely, 2^31402011346 is an apocalyptic number.

31402011346 is a deficient number, since it is larger than the sum of its proper divisors (19068213854).

31402011346 is a wasteful number, since it uses less digits than its factorization.

31402011346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32478.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 31402011346 its reverse (64311020413), we get a palindrome (95713031759).

The spelling of 31402011346 in words is "thirty-one billion, four hundred two million, eleven thousand, three hundred forty-six".