31406061353501 has 2 divisors, whose sum is σ = 31406061353502. Its totient is φ = 31406061353500.

The previous prime is 31406061353441. The next prime is 31406061353533. The reversal of 31406061353501 is 10535316060413.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31405645397476 + 415956025 = 5604074^2 + 20395^2 .

It is a cyclic number.

It is not a de Polignac number, because 31406061353501 - 2¹⁸ = 31406061091357 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (31406061353561) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15703030676750 + 15703030676751.

It is an arithmetic number, because the mean of its divisors is an integer number (15703030676751).

Almost surely, 2^{31406061353501} is an apocalyptic number.

It is an amenable number.

31406061353501 is a deficient number, since it is larger than the sum of its proper divisors (1).

31406061353501 is an equidigital number, since it uses as much as digits as its factorization.

31406061353501 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 97200, while the sum is 38.

The spelling of 31406061353501 in words is "thirty-one trillion, four hundred six billion, sixty-one million, three hundred fifty-three thousand, five hundred one".