1012201131431 has 32 divisors (see below), whose sum is σ = 1215300120576. Its totient is φ = 824756256000.

The previous prime is 1012201131427. The next prime is 1012201131443. The reversal of 1012201131431 is 1341311022101.

It is a cyclic number.

It is not a de Polignac number, because 1012201131431 - 2² = 1012201131427 is a prime.

It is a super-2 number, since 2×1012201131431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1012201131031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10023116 + ... + 10123598.

It is an arithmetic number, because the mean of its divisors is an integer number (37978128768).

Almost surely, 2^{1012201131431} is an apocalyptic number.

1012201131431 is a deficient number, since it is larger than the sum of its proper divisors (203098989145).

1012201131431 is a wasteful number, since it uses less digits than its factorization.

1012201131431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101343.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 1012201131431 its reverse (1341311022101), we get a palindrome (2353512153532).

The spelling of 1012201131431 in words is "one trillion, twelve billion, two hundred one million, one hundred thirty-one thousand, four hundred thirty-one".