401061602157131 has 2 divisors, whose sum is σ = 401061602157132. Its totient is φ = 401061602157130.

The previous prime is 401061602157101. The next prime is 401061602157169. The reversal of 401061602157131 is 131751206160104.

It is an a-pointer prime, because the next prime (401061602157169) can be obtained adding 401061602157131 to its sum of digits (38).

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 401061602157131 - 2⁶ = 401061602157067 is a prime.

It is a super-2 number, since 2×401061602157131² (a number of 30 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (401061602157101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200530801078565 + 200530801078566.

It is an arithmetic number, because the mean of its divisors is an integer number (200530801078566).

Almost surely, 2^{401061602157131} is an apocalyptic number.

401061602157131 is a deficient number, since it is larger than the sum of its proper divisors (1).

401061602157131 is an equidigital number, since it uses as much as digits as its factorization.

401061602157131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 30240, while the sum is 38.

The spelling of 401061602157131 in words is "four hundred one trillion, sixty-one billion, six hundred two million, one hundred fifty-seven thousand, one hundred thirty-one".