311243460226131 has 16 divisors (see below), whose sum is σ = 416635770644640. Its totient is φ = 206673771912960.

The previous prime is 311243460226103. The next prime is 311243460226141. The reversal of 311243460226131 is 131622064342113.

It is not a de Polignac number, because 311243460226131 - 2¹³ = 311243460217939 is a prime.

It is a super-2 number, since 2×311243460226131² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 311243460226131.

It is not an unprimeable number, because it can be changed into a prime (311243460226141) 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, 43811490 + ... + 50417591.

It is an arithmetic number, because the mean of its divisors is an integer number (26039735665290).

Almost surely, 2^{311243460226131} is an apocalyptic number.

311243460226131 is a deficient number, since it is larger than the sum of its proper divisors (105392310418509).

311243460226131 is a wasteful number, since it uses less digits than its factorization.

311243460226131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94233446.

The product of its (nonzero) digits is 124416, while the sum is 39.

The spelling of 311243460226131 in words is "three hundred eleven trillion, two hundred forty-three billion, four hundred sixty million, two hundred twenty-six thousand, one hundred thirty-one".