1031311130202 has 32 divisors (see below), whose sum is σ = 2291859345600. Its totient is φ = 343761851664.

The previous prime is 1031311130197. The next prime is 1031311130207. The reversal of 1031311130202 is 2020311131301.

1031311130202 is a `hidden beast` number, since 10 + 313 + 11 + 130 + 202 = 666.

It is an interprime number because it is at equal distance from previous prime (1031311130197) and next prime (1031311130207).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (1031311130207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2188824 + ... + 2617932.

It is an arithmetic number, because the mean of its divisors is an integer number (71620604550).

Almost surely, 2^{1031311130202} is an apocalyptic number.

1031311130202 is an abundant number, since it is smaller than the sum of its proper divisors (1260548215398).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1031311130202 is a wasteful number, since it uses less digits than its factorization.

1031311130202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 473627 (or 473621 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 1031311130202 its reverse (2020311131301), we get a palindrome (3051622261503).

The spelling of 1031311130202 in words is "one trillion, thirty-one billion, three hundred eleven million, one hundred thirty thousand, two hundred two".