31020354412153 has 4 divisors (see below), whose sum is σ = 31020566592400. Its totient is φ = 31020142231908.

The previous prime is 31020354412147. The next prime is 31020354412259. The reversal of 31020354412153 is 35121445302013.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31020354412153 - 2⁴¹ = 28821331156601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31020354418153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105870675 + ... + 106163272.

It is an arithmetic number, because the mean of its divisors is an integer number (7755141648100).

Almost surely, 2^{31020354412153} is an apocalyptic number.

It is an amenable number.

31020354412153 is a deficient number, since it is larger than the sum of its proper divisors (212180247).

31020354412153 is a wasteful number, since it uses less digits than its factorization.

31020354412153 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212180246.

The product of its (nonzero) digits is 43200, while the sum is 34.

Adding to 31020354412153 its reverse (35121445302013), we get a palindrome (66141799714166).

The spelling of 31020354412153 in words is "thirty-one trillion, twenty billion, three hundred fifty-four million, four hundred twelve thousand, one hundred fifty-three".