31420453613611 has 4 divisors (see below), whose sum is σ = 31889415607912. Its totient is φ = 30951491619312.

The previous prime is 31420453613609. The next prime is 31420453613669. The reversal of 31420453613611 is 11631635402413.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 31420453613611 - 2¹ = 31420453613609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31420453613671) 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, 234480997050 + ... + 234480997183.

It is an arithmetic number, because the mean of its divisors is an integer number (7972353901978).

Almost surely, 2^{31420453613611} is an apocalyptic number.

31420453613611 is a deficient number, since it is larger than the sum of its proper divisors (468961994301).

31420453613611 is an equidigital number, since it uses as much as digits as its factorization.

31420453613611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468961994300.

The product of its (nonzero) digits is 155520, while the sum is 40.

The spelling of 31420453613611 in words is "thirty-one trillion, four hundred twenty billion, four hundred fifty-three million, six hundred thirteen thousand, six hundred eleven".