31453322135 has 32 divisors (see below), whose sum is σ = 40776877440. Its totient is φ = 23219435008.

The previous prime is 31453322113. The next prime is 31453322143. The reversal of 31453322135 is 53122335413.

It is a cyclic number.

It is not a de Polignac number, because 31453322135 - 2¹⁶ = 31453256599 is a prime.

It is a super-2 number, since 2×31453322135² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4975997 + ... + 4982313.

It is an arithmetic number, because the mean of its divisors is an integer number (1274277420).

Almost surely, 2^31453322135 is an apocalyptic number.

31453322135 is a deficient number, since it is larger than the sum of its proper divisors (9323555305).

31453322135 is a wasteful number, since it uses less digits than its factorization.

31453322135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7867.

The product of its digits is 32400, while the sum is 32.

Adding to 31453322135 its reverse (53122335413), we get a palindrome (84575657548).

The spelling of 31453322135 in words is "thirty-one billion, four hundred fifty-three million, three hundred twenty-two thousand, one hundred thirty-five".