311429849423 has 32 divisors (see below), whose sum is σ = 397538039808. Its totient is φ = 236910009600.

The previous prime is 311429849407. The next prime is 311429849431. The reversal of 311429849423 is 324948924113.

It is a happy number.

It is not a de Polignac number, because 311429849423 - 2⁴ = 311429849407 is a prime.

It is a super-2 number, since 2×311429849423² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311429849023) 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, 1328363 + ... + 1545123.

It is an arithmetic number, because the mean of its divisors is an integer number (12423063744).

Almost surely, 2^311429849423 is an apocalyptic number.

311429849423 is a deficient number, since it is larger than the sum of its proper divisors (86108190385).

311429849423 is a wasteful number, since it uses less digits than its factorization.

311429849423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217223.

The product of its digits is 1492992, while the sum is 50.

The spelling of 311429849423 in words is "three hundred eleven billion, four hundred twenty-nine million, eight hundred forty-nine thousand, four hundred twenty-three".