1020112031131 has 2 divisors, whose sum is σ = 1020112031132. Its totient is φ = 1020112031130.

The previous prime is 1020112031087. The next prime is 1020112031143. The reversal of 1020112031131 is 1311302110201.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1020112031131 is a prime.

It is a super-2 number, since 2×1020112031131² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1020112061131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 510056015565 + 510056015566.

It is an arithmetic number, because the mean of its divisors is an integer number (510056015566).

Almost surely, 2^{1020112031131} is an apocalyptic number.

1020112031131 is a deficient number, since it is larger than the sum of its proper divisors (1).

1020112031131 is an equidigital number, since it uses as much as digits as its factorization.

1020112031131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1020112031131 its reverse (1311302110201), we get a palindrome (2331414141332).

The spelling of 1020112031131 in words is "one trillion, twenty billion, one hundred twelve million, thirty-one thousand, one hundred thirty-one".